A prominent Manhattan sommelier was slugged in the head by the father of another player on his son’s peewee football team during a sideline dispute, police said.

Walloped wine expert Alex Berlingeri was watching his fourth-grader practice with the Bulldogs of tony Upper Saddle River, NJ, when Juan Correa, 46, allegedly came up and corked him.

Correa, 46, has been arrested on simple-assault charges — and Berlingeri is left wondering what kind of wine goes with a football beef.

Berlingeri, the former general manager of the tony Rockefeller Center restaurant Alfredo, said, “It wasn’t a brawl. I was sitting there watching my son practice, and the guy walks up to me and hits me right in the head.”

Berlingeri realized he wasn’t at a fancy wine tasting during a practice Tuesday when Correa allegedly exploded in a burst of violence fit for a wild beer league.

Berlingeri said the feud between the parents had begun a week earlier, when his son was allegedly struck in a late hit by Correa’s kid after a coach’s whistle at practice.

“I felt that if their parents are not going to tell their kid, ‘What are you doing?’ maybe I should tell my kid it’s OK to do whatever he needs to do to protect himself,” said Berlingeri.

“So I said to him, ‘Next time, you’re allowed to do whatever you need to do to protect yourself.’ ”

Berlingeri said Correa’s wife overheard the conversation and said, “This isn’t wrestling; this is football.”

The two argued briefly, but Berlingeri thought the issue had passed when he subsequently saw the Correas twice without incident.

But then, on Tuesday, Correa allegedly came up and hit him as Berlingeri sat in the bleachers at Upper Saddle River’s Hess Field, Berlingeri said.

Correa e-mailed an apology to league parents for “letting my emotions get the best of me,” WCBS/Channel 2 reported.

“I set a poor example for the kids and showed them exactly how not to handle a situation,” he said.